Famous Patents
3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8090072 | Neutron-driven element transmuter A material is exposed to a neutron flux by distributing it in a neutron-diffusing medium surrounding a neutron source. The diffusing medium is transparent to neutrons and so arranged that neutron scattering substantially enhances the neutron flux to which the materi... | 01/03/2012 |
| 7430479 | System and method for analyzing content data The system and method provide security and cargo handling personnel a versatile tool to rapidly check cargo for hidden radiological materials, explosives, drugs, and chemical weapons material. Gamma ray emission is stimulated by a pulsed neutron source. The gamma ra... | 09/30/2008 |
| 7358863 | Double barrel chemical seeking sidewinder gun devices A large side vandal and weather resistant sign, capable of displaying images from several components, including a video cassette with tapes or video disc and other component parts for broadcasting command directions and to provide information. The sign system, with ... | 04/15/2008 |
| 7349517 | System for measuring burn-out of fuel elements of a high-temperature reactor The burnout of a fuel element in a reactor is determined by first transferring a fuel element from a reactor to a measuring position and then subjecting the transferred fuel element at the position to a neutron flux. A first detector measures the total γ radiation ... | 03/25/2008 |
| 7151815 | Nonintrusive method for the detection of concealed special nuclear material A method and associated apparatus for detecting concealed fissile, fissionable or special nuclear material in an article, such as a shipping container, is provided. The article is irradiated with a source of fast neutrons, and fast neutrons released by the fissile o... | 12/19/2006 |
| 7139350 | Method and apparatus for measuring radiation in a borehole Apparatus and methods for measuring radiation in a borehole environment using a YAlO3:Ce (YAP) scintillation crystal. Borehole instruments are disclosed which employ a gamma ray detector comprising a YAP scintillator coupled to a light sensing means such ... | 11/21/2006 |
| 7027555 | Mineral matter analyzer apparatus and method A material analyzer for identifying quantities of one or more elements in a material has a container for holding a material to be analyzed, a resonant gamma ray source unit for directing resonant gamma rays into the material in the container, and at least one detect... | 04/11/2006 |
| 6985553 | Ultra-short ion and neutron pulse production An ion source has an extraction system configured to produce ultra-short ion pulses, i.e. pulses with pulse width of about 1 μs or less, and a neutron source based on the ion source produces correspondingly ultra-short neutron pulses. To form a neutron source, a ne... | 01/10/2006 |
| 6954512 | Neutron spectrometer with aluminum proton absorber A neutron spectrometer is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a proton absorber, with th... | 10/11/2005 |
| 6928131 | Method for detecting an explosive in an object under investigation A method for detecting an explosive in an object under investigation involves the initial X-ray irradiation of the object under investigation, e.g. a piece of luggage or mailing, and forming its X-ray images; using the X-ray images to detect areas with a high densit... | 08/09/2005 |
| 6928130 | Dodecahedron neutron spectrometer with tantalum proton absorber for aircraft A neutron spectrometer for aircraft is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a proton abso... | 08/09/2005 |
| 6925137 | Small neutron generator using a high current electron bombardment ion source and methods of treating tumors therewith A neutron generator includes a modular arrangement of a high current electron bombardment ion source, providing deuterium(D) and/or tritium(T) ions, a high voltage acceleration stage to accelerate the ions and raise the ion energy to the order of 100 keV, and an occ... | 08/02/2005 |
| 6876712 | Flexible source wire for localized internal irradiation of tissue A flexible source wire is provided containing a radioactive source that is capable of maneuvering through a tortuous narrow passage to a treatment site within the body. This source wire includes a thin flexible housing tube, housing therein a flexible backbone wire,... | 04/05/2005 |
| 6765978 | Neutron spectrometer with titanium proton absorber A neutron spectrometer is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a proton absorber, with th... | 07/20/2004 |
| 6751280 | Method of preparing high specific activity platinum-195m A method of preparing high-specific-activity 195mPt includes the steps of: exposing 193Ir to a flux of neutrons sufficient to convert a portion of the 193Ir to 195mPt to form an irradiated material; dissolving the irradiat... | 06/15/2004 |
| 6720552 | Repeating pulsed magnet A magnet for use with a neutron scattering apparatus. The neutron scattering apparatus provides an incident beam of neutrons to a sample under analysis. The magnet has first and second body portions of high conductivity material and has a mid-plane portion there bet... | 04/13/2004 |
| 6717999 | Dodecahedron neutron spectrometer with titanium proton absorber for aircraft A neutron spectrometer is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a proton absorber, with th... | 04/06/2004 |
| 6714616 | Neutron spectrometer A neutron spectrometer is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a proton absorber, with th... | 03/30/2004 |
| 6678343 | Neutron spectrometer with titanium proton absorber A neutron spectrometer is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a proton absorb... | 01/13/2004 |
| 6668033 | Method for analyzing a primary neutron beam of a neutron source, a neutron source having a beam monitor, and a beam monitor Method for analyzing a primary neutron beam of a neutron source, a neutron source having a beam monitor, and a beam monitor. Fission chambers which are arranged in the primary neutron beam are known as beam monitors. Fission processes initiated by the neu... | 12/23/2003 |
| 6654435 | Neutron spectrometer with aluminum proton absorber and titanium neutron detector chamber A neutron spectrometer is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a proton absorb... | 11/25/2003 |
| 6654434 | Neutron spectrometer with tantalum proton absorber A neutron spectrometer is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a proton absorb... | 11/25/2003 |
| 6625243 | Dodecahedron neutron spectrometer with aluminum proton absorber for aircraft A neutron spectrometer for aircraft is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a ... | 09/23/2003 |
| 6614867 | Dodecahedron neutron spectrometer with titanium proton absorber for spacecraft A neutron spectrometer is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a proton absorb... | 09/02/2003 |
| 6594332 | Dodecahedron neutron spectrometer with aluminum proton absorber for spacecraft A neutron spectrometer for spacecraft is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as ... | 07/15/2003 |
| 6563898 | Method and portable apparatus for the detection of substances by use of neutron irradiation The present invention relates to a method and portable apparatus which is used to detect substances, such as explosives and drugs, by neutron irradiation. The apparatus has a portable neutron generating probe and corresponding controllers and data collect... | 05/13/2003 |
| 6493411 | Method for producing formed bodies of high temperature superconductors having high critical currents Thermal neutron irradiation of superconducting body compositions into which Li or B has been incorporated as a unit cell external or internal dopant introduces by the nuclear reaction of the dopant pinning centers which substantially improve the critical ... | 12/10/2002 |
| 6415009 | Method for producing a coiled body for irradiating radioactive radiation The method comprises the steps of forming an elongated tubular metal casing 1. This elongated tubular metal casing 1 is then coiled. The coiled tubular casing 11 is filled with a material 9 capable to irradiate radioactive radiation. The material 9 is in ... | 07/02/2002 |
| 6393085 | Analysis system for non-destructive identification of explosives and chemical warfare agents The invention relates to an analyzer for the identification of explosives and/or chemical warfare agents, with a neutron source which causes the emission of characteristic γ quanta, whereby the analysis system consists of a mobile frame to which a neutro... | 05/21/2002 |
| 6349124 | Dodecahedron neutron spectrometer A neutron spectrometer is provided by a series of substrates covered by a solid-state detector stacked on an absorbing layer. As many as 12 substrates that convert neutrons to protons are covered by a layer of absorbing material, acting as a proton absorb... | 02/19/2002 |
| 6345080 | Measurement device for determining boron concentration The boron concentration can be measured without intervention into the cooling circuit of a nuclear power station. A mobile emitter and a mobile receiver are provided, with the interposition of at least one coolable region, for placement on a coolant-carry... | 02/05/2002 |
| 6252921 | Nuclear isomers as neutron and energy sources The present invention includes the use of N-isomers as a source of energy and of neutrons, and the use of K-isomers as a source of energy when associated with a source of neutrons. Although there is strong indirect evidence for the existence of shape isom... | 06/26/2001 |
| 6233299 | Assembly for transmutation of a long-lived radioactive material A new transmutation assembly permits an efficient transmutation of a long-lived radioactive material (long-lived FP nuclides such as technetium-99 or iodine-129) which was produced in the nuclear reactor. Wire-type members of a long-lived radioactive mate... | 05/15/2001 |
| 6222896 | Production of 186Re, 188Re and other radionuclides via inorganic Szilard-Chalmers process Methods for the production of radionuclides suitable for use in radiopharmaceuticals for diagnostic and therapeutic applications, and specifically, to the production of 186 Re, 188 Re and other radionuclides such as 195m P... | 04/24/2001 |
| 6143431 | Production of Palladium-103 Palladium-103 radiochemical of high radionuclidic purity can be produced in commercial scale quantities by irradiating enriched Palladium targets comprising a mixture of Pd isotopes with protons or deuterons in the 10-50 MeV energy range. Commercially via... | 11/07/2000 |
| 5942156 | Neutron capture induced radiation treatment of polymer materials A precursor composition adapted for neutron capture induced radiation treatment of said precursor composition including a polymer matrix containing dispersed dopant material, the dispersed dopant material characterized as capable of neutron capture whereu... | 08/24/1999 |
| 5920601 | System and method for delivery of neutron beams for medical therapy A neutron delivery system that provides improved capability for tumor control during medical therapy. The system creates a unique neutron beam that has a bimodal or multi-modal energy spectrum. This unique neutron beam can be used for fast-neutron therapy... | 07/06/1999 |
| 5862193 | Production of 186 Re, 188 Re and other radionuclides via inorganic szilard-chalmers process Methods for the production of radionuclides suitable for use in radiopharmaceuticals for diagnostic and therapeutic applications, and specifically, to the production of 186 Re, 188 Re and other radionuclides such as 195m P... | 01/19/1999 |
| 5608767 | Neutron-activated direct current source A device for generating direct current by neutron activation of a plurality of series-connected beta-emitter (nuclear decay electron) cells, located in the out-of-core region of a light water nuclear reactor. The device can be used as either a current sou... | 03/04/1997 |
| 5590162 | Stand-alone power supply energized by decay of radioactive iostope A stand-alone low-voltage direct current power supply, for use as a battery, which is energized by the decay of a radioactive isotope in response to neutron capture. During this decay, either - or ଲ-particles are emitted. The emitting radioac... | 12/31/1996 |
